According to the man page, -f should work. What's the entire command you're using?

Naturally I didn't feel inspired enough to read all the links for you, since I already slaved away for long hours under a blistering sun pressing the search button after typing four whole words! - Quzah

You. Fetch me my copy of the Wall Street Journal. You two, fight to the death - Stewie

Does it work if you include the trailing slash? I'm at work and don't have access to a *NIX box.

Naturally I didn't feel inspired enough to read all the links for you, since I already slaved away for long hours under a blistering sun pressing the search button after typing four whole words! - Quzah

You. Fetch me my copy of the Wall Street Journal. You two, fight to the death - Stewie

Naturally I didn't feel inspired enough to read all the links for you, since I already slaved away for long hours under a blistering sun pressing the search button after typing four whole words! - Quzah

You. Fetch me my copy of the Wall Street Journal. You two, fight to the death - Stewie

Show us an "ls -al" for that file before and after.
Check your umask settings for each user. These will affects the default file permissions for new files.
>>cp -f source target
should do you. Can you show the output for it failing?

Naturally I didn't feel inspired enough to read all the links for you, since I already slaved away for long hours under a blistering sun pressing the search button after typing four whole words! - Quzah

You. Fetch me my copy of the Wall Street Journal. You two, fight to the death - Stewie